Home / 113,819.12-170,581.05-76,323.01

Finding the Fourth Proportional to 113,819.12, 170,581.05 and 76,323.01

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Solution

The fourth proportional to 113,819.12, 170,581.05 and 76,323.01 is: 114,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,819.12 : 170,581.05 = 76,323.01 : x
  2. Step 2: Convert to fraction form
    113,819.12/170,581.05 = 76,323.01/x
  3. Step 3: Cross multiply
    113,819.12x = 170,581.05 × 76,323.01
  4. Step 4: Simplify right side
    113,819.12x = 13,019,258,332.06
  5. Step 5: Solve for x
    x = 13,019,258,332.06/113,819.12
  6. Step 6: Final answer
    x = 114,385.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.